Finite Group Databasebeta

D149⋊#430 #34061351

order19072
automorphism?
homologyAbelianization (H1) = C23×C4 · Schur multiplier (H2) = C25

Aliases

unambiguous semidirect productD149⋊#430

Splittings

SylowC149 ⋊ C2×#430

Subgroups

subgroupG/H
centerC4C2×C4⋊#10597010
commutatorC4×C149C23×C4
FrattiniC4C23×#10597010
FittingC2×M16×C149C4
socleC2×C149C22×C4⋊C4
prime radicalC23×D149Q8
cosocleC4×D149C24
hypercenterC2×M16#10597010
hypocenterC149C2×#430
LCSG ▷ C4×C149 ▷ C2×C149 ▷ C149
UCSC1 ◁ C4 ◁ C22×C4 ◁ C2×M16

460 conjugacy classes of subgroups; only the 200 normal subgroups are shown.

normal subgroups only

This group has 460 conjugacy classes of subgroups — too many to draw. Only its 200 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

transitive degreeμt(G) = 2384

Polycyclic presentation:

2^7,149|a^2=f,b^2=e,e^2=g,f^2=g,b^a=be,e^a=eg,h^a=h^105,c^b=cg,h^d=h^148,h^f=h^148

Conjugacy classes & character table

784 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(19072, 21170);